Tire tread



FIG. 1 is a front elevational view of a tire tread showing our new design it being understood that the pattern is repeated throughout the circumference thereof;

FIG. 2 is a perspective view thereof;

FIG. 3 is another perspective view thereof;

FIG. 4 is a side elevational view thereof;

FIG. 5 is another side elevational view thereof; and,

FIG. 6 is an enlarged fragmentary front view thereof.

In the drawings, the broken line showing of the tire sidewall and the solid line defining the peripheral boundary between the tire tread and the sidewall are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a tire tread, as shown and described. 